VARIABLE RADIUS !

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A circle of variable radius is given by x²+y²+2gx+2fy+c=0 cuts the rectangular hyperbola x²-y² = 9a² in points P, Q, R and S at (x_iy_i) (i = 1,2,3,4)

find centroid of triangle PQR !

#Mathematics #Co-ordinate Geometry

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Anirudh Narayanan ·2009-02-14 05:22:34

unique problem, unique [3]

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msp ·2009-02-23 10:11:22

solve the curves and find x1+x2+x3+x4 and y1+y2+y3+y4

let x1+x2+x3=h; and y1+y2+y3=k; and (x4,y4) lies on the hyperbola

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Basic Integral Calculus Operators Symbols Matrix Cases

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

∫ ∫ ∫ ∫ ∫ ∬ ∬ ∬ ∬ ∬ ∭ ∭ ∭ ∭ ∭ ⨌ ⨌ ⨌ ⨌ ⨌

∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

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° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω

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VARIABLE RADIUS !

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